Height-adjustable desk



FIG. 1 is a top perspective view of a height-adjustable desk;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a top perspective view thereof with the desktop raised.

The broken line portion of the figure drawings is included to show features that form no part of the claimed design. 

CLAIM We claim ornamental design for a height-adjustable desk, as shown and described. 